Question

ООЧЕНЬ СРОЧНОH2>H2O>H2SO4>MgSo4>MgCl2​

Answer 1

Ответ:

ответ смотри во вложении

Answer 2

It looks like you've provided a sequence of chemical reactions, but there is a small error in the representation. Chemical reactions are typically written using arrows "->" to indicate the direction of the reaction. Also, it's essential to balance the chemical equations to ensure they follow the law of conservation of mass.

Based on the provided sequence, it seems like you're trying to represent a series of reactions starting with hydrogen gas (H2) and ending with magnesium chloride (MgCl2). To make it clearer, let's write the balanced chemical equations:

1. Hydrogen gas (H2) reacts with oxygen gas (O2) to form water (H2O): 2 H2 + O2 -> 2 H2O

2. Water (H2O) reacts with sulfur trioxide (SO3) to form sulfuric acid (H2SO4): H2O + SO3 -> H2SO4

3. Sulfuric acid (H2SO4) reacts with magnesium oxide (MgO) to form magnesium sulfate (MgSO4): H2SO4 + MgO -> MgSO4 + H2O

4. Magnesium sulfate (MgSO4) reacts with hydrochloric acid (HCl) to form magnesium chloride (MgCl2), sulfuric acid (H2SO4), and water (H2O): MgSO4 + 2 HCl -> MgCl2 + H2SO4 + H2O

It's important to note that these reactions might not happen spontaneously under normal conditions, and they may require specific conditions such as temperature, pressure, or the presence of a catalyst. Additionally, safety precautions should be taken when handling chemicals, especially strong acids like sulfuric acid and hydrochloric acid.